<?php

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namespace Nextend\SmartSlider3\Slider\Feature;

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use Exception;

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use Nextend\Framework\FastImageSize\FastImageSize;

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use Nextend\Framework\Image\ImageEdit;

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use Nextend\Framework\ResourceTranslator\ResourceTranslator;

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class Optimize {

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private $slider;

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private $playWhenVisible = 1;

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private $playWhenVisibleAt = 0.5;

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private $backgroundImageWidthNormal = 1920, $quality = 70, $thumbnailWidth = 100, $thumbnailHeight = 60, $thumbnailQuality = 70;

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public function __construct($slider) {

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$this->slider = $slider;

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$this->playWhenVisible = intval($slider->params->get('playWhenVisible', 1));

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$this->playWhenVisibleAt = max(0, min(100, intval($slider->params->get('playWhenVisibleAt', 50)))) / 100;

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$this->backgroundImageWidthNormal = intval($slider->params->get('optimize-slide-width-normal', 1920));

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$this->quality = intval($slider->params->get('optimize-quality', 70));

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$this->thumbnailWidth = $slider->params->get('optimizeThumbnailWidth', 100);

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$this->thumbnailHeight = $slider->params->get('optimizeThumbnailHeight', 60);

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$this->thumbnailQuality = $slider->params->get('optimize-thumbnail-quality', 70);

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}

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public function makeJavaScriptProperties(&$properties) {

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$properties['playWhenVisible'] = $this->playWhenVisible;

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$properties['playWhenVisibleAt'] = $this->playWhenVisibleAt;

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}

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public function optimizeBackground($image, $x = 50, $y = 50) {

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try {

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$imageSize = FastImageSize::getSize($image);

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if ($imageSize) {

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$optimizeScale = $this->slider->params->get('optimize-scale', 0);

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$targetWidth = $imageSize['width'];

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$targetHeight = $imageSize['height'];

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if ($optimizeScale && $targetWidth > $this->backgroundImageWidthNormal) {

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$targetHeight = ceil($this->backgroundImageWidthNormal / $targetWidth * $targetHeight);

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$targetWidth = $this->backgroundImageWidthNormal;

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}

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return ImageEdit::resizeImage('slider/cache', ResourceTranslator::toPath($image), $targetWidth, $targetHeight, false, 'normal', 'ffffff', true, $this->quality, true, $x, $y);

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}

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return $image;

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} catch (Exception $e) {

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return $image;

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}

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}

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public function optimizeThumbnail($image) {

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if ($this->slider->params->get('optimize-thumbnail-scale', 0)) {

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try {

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return ImageEdit::resizeImage('slider/cache', ResourceTranslator::toPath($image), $this->thumbnailWidth, $this->thumbnailHeight, false, 'normal', 'ffffff', true, $this->thumbnailQuality, true);

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} catch (Exception $e) {

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return ResourceTranslator::toUrl($image);

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}

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}

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return ResourceTranslator::toUrl($image);

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}

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public function adminOptimizeThumbnail($image) {

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if ($this->slider->params->get('optimize-thumbnail-scale', 0)) {

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try {

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return ImageEdit::resizeImage('slider/cache', ResourceTranslator::toPath($image), $this->thumbnailWidth, $this->thumbnailHeight, true, 'normal', 'ffffff', true, $this->thumbnailQuality, true);

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} catch (Exception $e) {

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return ResourceTranslator::toUrl($image);

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}

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}

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return ResourceTranslator::toUrl($image);

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}

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public function optimizeImageWebP($src, $options) {

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$options = array_merge(array(

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'optimize' => false,

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'quality' => 70,

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'resize' => false,

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'defaultWidth' => 1920,

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'mediumWidth' => 1200,

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'mediumHeight' => 0,

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'smallWidth' => 500,

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'smallHeight' => 0,

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'focusX' => 50,

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'focusY' => 50,

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'compressOriginal' => false

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), $options);

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}

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}

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